Update example app

Examples/xx-messenger/Sources/AppCore/ReceiveFileHandler/ReceiveFileHandler.swift

@@ -62,10 +62,10 @@ extension ReceiveFileHandler {
                 data: data
               )
 
-            case .failed(.receiveError(let error)):
+            case .failed(.receive(let error)):
               onError(error)
 
-            case .failed(.callbackError(let error)):
+            case .failed(.callback(let error)):
               onError(error)
             }
           }

Examples/xx-messenger/Sources/AppCore/SendImage/SendImage.swift

@@ -67,7 +67,7 @@ extension SendImage {
               progress: 1
             )
 
-          case .failed(_, .error(let error)):
+          case .failed(_, .callback(let error)):
             onError(error)
 
           case .failed(_, .close(let error)):

Examples/xx-messenger/Tests/AppCoreTests/ReceiveFileHandler/ReceiveFileHandlerTests.swift

@@ -124,7 +124,7 @@ final class ReceiveFileHandlerTests: XCTestCase {
 
     actions = []
     let receivingFileError = NSError(domain: "receiving-file", code: 2)
-    receivingFileCallback?(.failed(.receiveError(receivingFileError)))
+    receivingFileCallback?(.failed(.receive(receivingFileError)))
 
     XCTAssertNoDifference(actions, [
       .didCatchError(receivingFileError)
@@ -132,7 +132,7 @@ final class ReceiveFileHandlerTests: XCTestCase {
 
     actions = []
     let receivingFileCallbackError = NSError(domain: "receiving-file-callback", code: 3)
-    receivingFileCallback?(.failed(.callbackError(receivingFileCallbackError)))
+    receivingFileCallback?(.failed(.callback(receivingFileCallbackError)))
 
     XCTAssertNoDifference(actions, [
       .didCatchError(receivingFileCallbackError)

Examples/xx-messenger/Tests/AppCoreTests/SendImage/SendImageTests.swift

@@ -98,7 +98,7 @@ final class SendImageTests: XCTestCase {
 
     actions = []
     let sendError = NSError(domain: "send-error", code: 1)
-    sendFileCallback?(.failed(id: transferId, .error(sendError)))
+    sendFileCallback?(.failed(id: transferId, .callback(sendError)))
 
     XCTAssertNoDifference(actions, [
       .didFail(sendError),